Switching Frequency; Shutdown; Switching Off The Pump And Temporary Shutdown; Shutdown And Storage - Wilo Atmos TERA-SCH Serie Einbau- Und Betriebsanleitung

7.5

Switching frequency

8

Shutdown

8.1 Switching off the pump and tem-
porary shutdown
8.2

Shutdown and storage

Installation and operating instructions Wilo-Atmos TERA-SCH
Shutdown
CAUTION
Risk of property damage!
If abnormal noises, vibrations, temperatures or leaks occur when starting up:
• Switch the pump off immediately and remedy the cause.
CAUTION
Risk of property damage!
The pump or motors may be damaged by incorrect switching.
• Only switch on the pump again when the motor is at a complete standstill.
A maximum of 6 connections per hour are permitted in accordance with IEC 60034-1. It
is recommended that repeated activations occur at regular intervals.
CAUTION
Risk of property damage due to overheating!
Hot fluids can damage the pump seals when the pump is at a standstill.
After deactivating the heat source:
• Allow the pump to run until the fluid temperature has dropped to an appropriate
level.
CAUTION
Risk of property damage due to frost!
If there is a danger of frost:
• Drain the pump completely to avoid damage.
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Close the shut-off device in the pressure pipe. If a non-return valve is installed in
the pressure pipe, and there is counter pressure, the shut-off device can remain
open.
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Do not close the shut-off device in the suction line.
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Switch off the motor.
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If there is no danger of frost, make sure the fluid level is sufficient.
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Operate the pump every month for 5 minutes. Doing this prevents deposits from oc-
curring in the pump compartment.
WARNING
Risk of injury and damage to property!
• Dispose off the pump contents and rinsing fluid by taking the legal regulations
into account.
• Always wear protective clothing, protective gloves and protective goggles when
working.
ƒ
Clean the pump thoroughly prior to storage!
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Drain the pump completely and rinse thoroughly.
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The remaining fluid and rinsing fluid should be drained, collected and disposed off
via the drain plug. Observe local regulations along with the notes under "Disposal"!
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